目录一、伪继承陷阱：当缓存类继承Thread引发的线程灾难1.1 错误设计：用继承Thread实现缓存刷新的“便捷方案”1.2 问题根源：混淆了“is-a”与“has-a”的关系1.3 正确实现：基于线程
In couchdb website -> technical overview -> security and validation - http://couchdb.apache.org/docs/overview.html - it writes that (on reader access
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